From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#27622: Trying to improve the speed of linum-mode Date: Sat, 08 Jul 2017 20:01:09 +0300 Message-ID: <834lumlv6y.fsf@gnu.org> References: Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1499533337 25020 195.159.176.226 (8 Jul 2017 17:02:17 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 8 Jul 2017 17:02:17 +0000 (UTC) Cc: 27622@debbugs.gnu.org To: Fis Trivial Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Jul 08 19:02:11 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dTt7R-00067i-SV for geb-bug-gnu-emacs@m.gmane.org; Sat, 08 Jul 2017 19:02:10 +0200 Original-Received: from localhost ([::1]:33533 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dTt7X-0002L5-2d for geb-bug-gnu-emacs@m.gmane.org; Sat, 08 Jul 2017 13:02:15 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:60063) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dTt7N-0002JU-VP for bug-gnu-emacs@gnu.org; Sat, 08 Jul 2017 13:02:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dTt7K-0002tr-UW for bug-gnu-emacs@gnu.org; Sat, 08 Jul 2017 13:02:06 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:55408) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1dTt7K-0002tm-Rn for bug-gnu-emacs@gnu.org; Sat, 08 Jul 2017 13:02:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1dTt7K-0003OA-Kc for bug-gnu-emacs@gnu.org; Sat, 08 Jul 2017 13:02:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 08 Jul 2017 17:02:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 27622 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 27622-submit@debbugs.gnu.org id=B27622.149953329512991 (code B ref 27622); Sat, 08 Jul 2017 17:02:02 +0000 Original-Received: (at 27622) by debbugs.gnu.org; 8 Jul 2017 17:01:35 +0000 Original-Received: from localhost ([127.0.0.1]:58085 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dTt6t-0003NT-Er for submit@debbugs.gnu.org; Sat, 08 Jul 2017 13:01:35 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:40532) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dTt6q-0003NG-O6 for 27622@debbugs.gnu.org; Sat, 08 Jul 2017 13:01:33 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dTt6i-0002ZZ-Fu for 27622@debbugs.gnu.org; Sat, 08 Jul 2017 13:01:27 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:42848) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dTt6i-0002We-Cf; Sat, 08 Jul 2017 13:01:24 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:2511 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1dTt6d-0004bQ-7L; Sat, 08 Jul 2017 13:01:19 -0400 In-reply-to: (message from Fis Trivial on Sat, 8 Jul 2017 09:25:38 +0000) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:134337 Archived-At: > From: Fis Trivial > Date: Sat, 8 Jul 2017 09:25:38 +0000 > > For some reasons, the linum-mode needs to go over the whole buffer in > order to update the line numbers. It's ok when viewing a small buffer, > but when comes to something large it will slow the emacs down like I > was viewing a ppt(try kernel patch). I don't really understand the > code, but I changed it a little bit and it works fine so far. Here is > the patch, linum-o.el is the original code: Thanks. Recently, the development sources were updated to provide line-number display built into Emacs. That facility doesn't count lines in the whole buffer, so the slow-down you mention doesn't happen. So I see no reason to try to fix this issue in linum-mode.